EG4 Gridboss Dongle Wifi Not Working

I have a similar situation to this guy:

https://forum.eg4electronics.com/community/tsb/eg4-dongle-ver-djxxxxxxxx/

Where EG4 had to ship him a new dongle. I'm guessing I have the same issue.

I just installed a Gridboss, and as part of the final steps, connected the Wifi Dongle to the external port for the dongle. When I do this, the Green WiFi LED flashes maybe twice a second, and no access point is broadcast. I look for a wifi network created by the dongle, but nothing ever shows up. The WiFi LED continually blinks. The manual for the gridboss indicated that the first thing I should do with the dongle is add its serial number and PIN to my existing station, which I have done. This does not appear to have done anything, and I wouldn't expect it to, as there is no way for me to get this thing connected to my home wifi. My serial number is DJXXXXXXXXX format (the number of x's might be off). Ideas/thoughts? EG4 support, are you out there?

I should mention, I have a functioning 18kPV with no wifi issues there at this site address. So I don't believe it's that, and I'm not even at the point where I can give it the local wifi anyway, as the gridboss is not properly broadcasting a wifi network for me to connect to in the first place.